fsfw/datalinklayer/Farm1StateLockout.h
2020-08-13 20:53:35 +02:00

60 lines
1.9 KiB
C++

/**
* @file Farm1StateLockout.h
* @brief This file defines the Farm1StateLockout class.
* @date 24.04.2013
* @author baetz
*/
#ifndef FARM1STATELOCKOUT_H_
#define FARM1STATELOCKOUT_H_
#include "Farm1StateIF.h"
/**
* This class represents the FARM-1 "Lockout" State.
* The Lockout state is reached if the received Transfer Frame Sequence Number is completely wrong
* (i.e. within the Lockout Window). No AD Frames are forwarded. To leave the State, a BC Unlock
* command is required.
*/
class Farm1StateLockout : public Farm1StateIF {
private:
/**
* This is a reference to the "owner" class the State works on.
*/
VirtualChannelReception* myVC;
public:
/**
* The default constructor if the State.
* Sets the "owner" of the State.
* @param setMyVC The "owner" class.
*/
Farm1StateLockout( VirtualChannelReception* setMyVC );
/**
* All AD Frames are rejected with FARM_IN_LOCKOUT
* @param frame The frame to handle.
* @param clcw Any changes to the CLCW shall be done with the help of this interface.
* @return FARM_IN_LOCKOUT
*/
ReturnValue_t handleADFrame( TcTransferFrame* frame, ClcwIF* clcw );
/**
* These commands are handled as specified.
* State changes to Farm1StateOpen.
* @param clcw Any changes to the CLCW shall be done with the help of this interface.
* @return As the frame needs no forwarding to a MAP Channel, #BC_IS_UNLOCK_COMMAND
* is returned.
*/
ReturnValue_t handleBCUnlockCommand( ClcwIF* clcw );
/**
* These commands are handled as specified.
* The V(r) value is not set in Lockout State, even though the Command itself is accepted.
* @param clcw Any changes to the CLCW shall be done with the help of this interface.
* @param vr The V(r) value found in the frame.
* @return As the frame needs no forwarding to a MAP Channel, #BC_IS_SET_VR_COMMAND
* is returned.
*/
ReturnValue_t handleBCSetVrCommand( ClcwIF* clcw, uint8_t vr );
};
#endif /* FARM1STATELOCKOUT_H_ */